- All sections
- H - Electricity
- H03K - Pulse technique
- H03K 17/28 - Modifications for introducing a time delay before switching
Patent holdings for IPC class H03K 17/28
Total number of patents in this class: 140
10-year publication summary
|
11
|
19
|
18
|
10
|
14
|
9
|
10
|
6
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fuji Electric Co., Ltd. | 5098 |
9 |
| Mitsubishi Electric Corporation | 45752 |
5 |
| Texas Instruments Incorporated | 19493 |
4 |
| Denso Corporation | 24099 |
4 |
| Infineon Technologies AG | 8190 |
4 |
| ABB Schweiz AG | 6873 |
4 |
| Qualcomm Incorporated | 84335 |
3 |
| Robert Bosch GmbH | 42411 |
3 |
| Infineon Technologies Austria AG | 2127 |
3 |
| David Stuckey Investments Pty Ltd | 27 |
3 |
| Eaton Intelligent Power Limited | 5935 |
3 |
| Samsung Electronics Co., Ltd. | 143812 |
2 |
| Siemens AG | 24568 |
2 |
| Sumitomo Electric Industries, Ltd. | 15321 |
2 |
| Samsung Electro-mechanics Co., Ltd. | 5498 |
2 |
| Sumitomo Wiring Systems, Ltd. | 10247 |
2 |
| Advantest Corporation | 1831 |
2 |
| ABB Technology AG | 1256 |
2 |
| AutoNetworks Technologies, Ltd. | 6506 |
2 |
| General Electric Technology GmbH | 1457 |
2 |
| Other owners | 77 |